<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div ></div>
</body>
</html>
<script>
    var str = formatSeconds(0)
    console.log(str);
    function formatSeconds(value) {
        var theTime = parseInt(value);// 秒
        var theTime1 = 0;// 分
        var theTime2 = 0;// 小时
        if(theTime > 60) {
            theTime1 = parseInt(theTime/60);
            theTime = parseInt(theTime%60);
            if(theTime1 > 60) {
                theTime2 = parseInt(theTime1/60);
                theTime1 = parseInt(theTime1%60);
            }
        }

        var result = ""+parseInt(theTime)+"";

        if(result >= 0 && result <= 9){
            result = "0"+ result;
        }else{
            result = ""+ result;
        }

        if(theTime1 > 0) {

            if(parseInt(theTime1)>= 1 && parseInt(theTime1)<=9){
                result = "0"+parseInt(theTime1)+":"+result;
            }else{
                result = ""+parseInt(theTime1)+":"+result;
            }

        }else{
            result = "00" + ":" + result;
        }
        if(theTime2 > 0) {
            if(parseInt(theTime2) > 0){
                if(parseInt(theTime2)>= 1 && parseInt(theTime2)<=9){
                    result = "0"+parseInt(theTime2)+":"+result;
                }else{
                    result = ""+parseInt(theTime2)+":"+result;
                }

            }

        }
        return result;
    }
</script>